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Mercarb 2 barrel carb leaking gas
tkrules19 
 		  Home: Milford , mi   07/30/2008 21:47
Brookie
Posts: 16
 

Im having problems with my carb leaking gas very bad under preasure from a hole..which I believe has a ball bearing inside right under the idle needle on the front of the carb. It leaks right out onto the intake manifold on top of the engine I rebuilt this carb with the mercury rebuild kit. But I did not touch anything in the area where it is leaking. Also I cannot say if leaked before the rebuild because the entire engine is out of a parts boat which sat for many years and I never owned it running. Is that ball bearing spring loaded and maybe perhaps stuck open. Does anyone know what going on here please helps me.

Tom
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Re:Mercarb 2 barrel carb leaking gas
hondacat 
 		    07/30/2008 23:17
Moderator
Posts: 673
 

no such thing as a good fuel leak on a boat

rebuild it again or buy a new carb

this is one item that can not be overstated
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Re:Mercarb 2 barrel carb leaking gas
tkrules19 
 		  Home: Milford , mi   07/31/2008 13:42
Brookie
Posts: 16
 

Pulled the carb today and this is what i found. Ontop of the intake was a ball bearing that has fallen out of this hole (red arrow) dont know if its before or after the carb rebuild but i did not change these ball bearings. But this is the hole that was leaking fuel all over. Are these ball bearing just pressed in there from the outside or what is the installation process. What could have caused this? is something wrong with the float is it getting way too much gas and forced the ball bearing out?
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Re:Mercarb 2 barrel carb leaking gas
hondacat 
 		    07/31/2008 22:17
Moderator
Posts: 673
 

There probably was a little water in the bottom of carb and it froze over the winter pushing it out or loosing it up
These are pressed in there after the pasages are machined after they are pressed in a maching smashes the housing so they can not come out
I do not belive there is any way to safely reinstall these plugs that i know of
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Re:Mercarb 2 barrel carb leaking gas
douggun 
 		  Port: luna pier   08/01/2008 17:17
Brown
Posts: 67
 

could you try tapping the hole with a pipe tap and inserting a pipe plug?
GOOD FISHIN,

D
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